Engine
Coolant
The cooling system in your vehicle
is
filled with new
DEX-COOL
TM
(orange-colored, silicate-free) engine
coolant. This coolant is designed to remain in your
vehicle for
5
years or
100,000
miles (166
000
km),
whichever occurs first.
The following explains your cooling system and how
to add coolant when it is low. If you have a problem
with engine overheating, see “Engine Overheating”
in
the Index.
A
50/50
mixture
of
water and the proper coolant for
your vehicle will:
Give freezing protection down to
-34°F
(-37°C).
0
Give boiling protection up to 265
“F
(129
”
C).
Protect against rust and corrosion.
Help keep the proper engine temperature.
Let the warning gages work as they should.
NOTICE:
When adding coolant it is important that you use
DEX-COOL
(orange-colored, silicate-free)
coolant meeting
GM
Specification
6277111.
If
silicated
coolant is added to the system,
premature engine, heater core or radiator
corrosion may result. In addition, the engine
coolant will require change sooner
--
at
30,000
miles
(50
000
km)
or
24
months,
whichever occurs first.
6-25